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→Description: - re-adding material removed by a lame parodist
* the females nurse their calves while swimming underwater
* the females nurse their calves while swimming underwater
* the males have a unique cooling system for their internal reproductive organs
* the males have a unique cooling system for their internal reproductive organs
* whales, along with humans and horses, are some of the few mammal species that do not possess [[baculum]] (penile bone)
* some have two blow-holes, but others only have one
* some have two blow-holes, but others only have one
* the blow-holes pass air above water, yet resist intense pressure underwater
* the blow-holes pass air above water, yet resist intense pressure underwater